from werkzeug.security import generate_password_hash
from info.models import Category, News, User
from info.utils.common import user_login_data
from info import constants, db
from flask import render_template, g, redirect, request, jsonify, current_app, abort
from . import profile_blu
from info.utils.response_code import RET
from info.utils.image_storage import storage

@profile_blu.route("/followed_user", methods=["POST"])
@user_login_data
def followed_user():
    """
    关注
    :return:
    """
    user = g.user
    if not user:
        return jsonify(errno=RET.SESSIONERR, errmsg="用户未登录")

    user_id = request.json.get("user_id")
    action = request.json.get("action")
    if not all([user_id, action]):
        return jsonify(errno=RET.PARAMERR, errmsg="参数错误")
    if action not in ("follow", "unfollow"):
        return jsonify(errno=RET.PARAMERR, errmsg="参数错误")

    try:
        other = User.query.get(user_id)
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.DBERR, errmsg="查询数据失败")

    if not other:
        return jsonify(errno=RET.NODATA, errmsg="未查询到数据")

    if action == "follow":
        if other not in user.followed:
            user.followed.append(other)
        else:
            return jsonify(errno=RET.DATAEXIST, errmsg="当前用户已被关注")
    else:
        if other in user.followed:
            user.followed.remove(other)
        else:
            return jsonify(errno=RET.DATAEXIST, errmsg="当前用户未被关注")

    return jsonify(errno=RET.OK, errmsg="操作成功")


@profile_blu.route('/other_news_list')
def other_news_list():
    """
    返回指定用户的发布的新闻
    :return:
    """
    # 获取页数
    p = request.args.get("p", 1)
    user_id = request.args.get("user_id")
    try:
        p = int(p)
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.PARAMERR, errmsg="参数错误")

    if not all([p, user_id]):
        return jsonify(errno=RET.PARAMERR, errmsg="参数错误")

    try:
        user = User.query.get(user_id)
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.DBERR, errmsg="数据查询错误")

    if not user:
        return jsonify(errno=RET.NODATA, errmsg="用户不存在")

    try:
        paginate = News.query.filter(News.user_id == user.id).paginate(p, constants.OTHER_NEWS_PAGE_MAX_COUNT, False)
        # 获取当前页数据
        news_li = paginate.items
        # 获取当前页
        current_page = paginate.page
        # 获取总页数
        total_page = paginate.pages
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.DBERR, errmsg="数据查询错误")

    news_dict_li = []

    for news_item in news_li:
        news_dict_li.append(news_item.to_basic_dict())
    data = {"news_list": news_dict_li, "total_page": total_page, "current_page": current_page}
    return jsonify(errno=RET.OK, errmsg="OK", data=data)


@profile_blu.route('/other_info')
@user_login_data
def other_info():
    user = g.user
    other_id = request.args.get("user_id")
    if not other_id:
        abort(404)
    other = None
    try:
        other = User.query.get(other_id)
    except Exception as e:
        current_app.logger.error(e)
    if not other:
        abort(404)

    is_followed = False

    if other and user:
        if other in user.followed:
            is_followed = True
    data = {
        "user": user.to_dict() if user else None,
        "other_info": other.to_dict(),
        "is_followed": is_followed,
    }
    return render_template('news/other.html', data=data)


@profile_blu.route('/user_follow')
@user_login_data
def user_follow():
    p = request.args.get("p", 1)
    try:
        p = int(p)
    except Exception as e:
        current_app.logger.error(e)
        p = 1
    user = g.user
    follows = []
    current_page = 1
    total_page = 1
    try:
        paginate = user.followed.paginate(p, constants.USER_FOLLOWED_MAX_COUNT, False)
        # 获取当前页数据
        follows = paginate.items
        # 获取当前页
        current_page = paginate.page
        # 获取总页数
        total_page = paginate.pages
    except Exception as e:
        current_app.logger.error(e)

    user_dict_li = []

    for follow_user in follows:
        user_dict_li.append(follow_user.to_dict())
    data = {"users": user_dict_li, "total_page": total_page, "current_page": current_page}
    return render_template('news/user_follow.html', data=data)


@profile_blu.route('/news_list')
@user_login_data
def user_news_list():
    """
    新闻列表
    :return:
    """
    page = request.args.get("page", 1)
    user = g.user
    news_list = []
    current_page = 1
    total_page = 1
    try:
        paginate = News.query.filter(News.user_id == user.id).paginate(page, constants.USER_COLLECTION_MAX_NEWS, False)
        news_list = paginate.items
        current_page = paginate.page
        total_page = paginate.pages

    except Exception as e:
        current_app.logger.error(e)

    news_dict_list = []

    for news_item in news_list:
        news_dict_list.append(news_item.to_review_dict())
    data = {"news_list": news_dict_list, "total_page": total_page, "current_page": current_page}
    return render_template('news/user_news_list.html', data=data)


@profile_blu.route('/news_release', methods=["GET", "POST"])
@user_login_data
def news_release():
    """
    新闻发布
    :return:
    """
    if request.method == "GET":
        categories = []
        try:
            categories = Category.query.all()
        except Exception as e:
            current_app.logger.error(e)
        category_dict_list = []
        for category in categories:
            category_dict_list.append(category.to_dict())

        category_dict_list.pop(0)
        # 返回内容
        return render_template('news/user_news_release.html', data={"categories": category_dict_list})
    # 1. 获取要提交的数据
    title = request.form.get("title")
    source = "个人发布"
    digest = request.form.get("digest")
    content = request.form.get("content")
    index_image = request.files.get("index_image")
    category_id = request.form.get("category_id")

    # 1.1 判断数据是否有值
    if not all([title, source, digest, content, index_image, category_id]):
        return jsonify(errno=RET.PARAMERR, errmsg="参数有误")
    # 1.2 尝试读取图片
    try:
        index_image = index_image.read()
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.PARAMERR, errmsg="参数有误")

    # 2. 将标题图片上传到七牛
    try:
        key = storage(index_image)
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.THIRDERR, errmsg="上传图片错误")

    # 3. 初始化新闻模型，并设置相关数据
    news = News()
    news.title = title
    news.digest = digest
    news.source = source
    news.content = content
    news.index_image_url = constants.QINIU_DOMIN_PREFIX + key
    news.category_id = category_id
    news.user_id = g.user.id
    # 1代表待审核状态
    news.status = 1

    # 4. 保存到数据库
    try:
        db.session.add(news)
        db.session.commit()
    except Exception as e:
        current_app.logger.error(e)
        db.session.rollback()
        return jsonify(errno=RET.DBERR, errmsg="保存数据失败")
    # 5. 返回结果
    return jsonify(errno=RET.OK, errmsg="发布成功，等待审核")


@profile_blu.route('/collection', methods=["GET", "POST"])
@user_login_data
def user_collection():
    """
    新闻收藏
    :return:
    """
    page = request.args.get("p", 1)
    try:
        page = int(page)
    except Exception as e:
        current_app.logger.error(e)
        page = 1

    user = g.user
    new_list = []
    current_page = 1
    total_page = 1
    try:
        paginate = user.collection_news.paginate(page, constants.USER_COLLECTION_MAX_NEWS, False)
        current_page = paginate.page
        total_page = paginate.pages
        new_list = paginate.items
    except Exception as e:
        current_app.logger.error(e)

    new_dict_list = []
    for news in new_list:
        new_dict_list.append(news.to_dict())

    data = {
        "total_page": total_page,
        "current_page": current_page,
        "collections": new_dict_list
    }
    return render_template('news/user_collection.html', data=data)


@profile_blu.route('/pass_info', methods=["GET", "POST"])
@user_login_data
def pass_info():
    """
    修改密码
    :return:
    """
    user = g.user
    if request.method == "GET":
        return render_template('news/user_pass_info.html')
    else:
        old_password = request.json.get("old_password")
        new_password = request.json.get("new_password")
        # print(old_password, new_password)
        if not all([old_password, new_password]):
            return jsonify(errno=RET.PARAMERR, errmsg="参数有误")

        if not user.check_passowrd(old_password):
            return jsonify(errno=RET.PWDERR, errmsg="原密码错误")

        user.password_hash = generate_password_hash(new_password)
        # print(user.password_hash)

        return jsonify(errno=RET.OK, errmsg="保存成功")


@profile_blu.route('/pic_info', methods=["GET", "POST"])
@user_login_data
def pic_info():
    if request.method == "GET":
        # print(g.user.avatar_url)
        return render_template("news/user_pic_info.html", data={"user": g.user.to_dict()})
    try:
        avatar = request.files.get("avatar").read()
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.PARAMERR, errmsg="参数错误")

    try:
        key = storage(avatar)
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.THIRDERR, errmsg="上传头像失败")

    g.user.avatar_url = key

    try:
        key = storage(avatar)

    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.THIRDERR, errmsg="上传头像失败")

    # print(constants.QINIU_DOMIN_PREFIX + key)
    # try:
    #     db.session.commit()
    # except Exception as e:
    #     current_app.logger.error(e)
    #     db.session.rollback()
    #     return jsonify(errno=RET.DBERR, errmsg="保存用户数据错误")

    return jsonify(errno=RET.OK, errmsg="OK", data={"avatar_url": constants.QINIU_DOMIN_PREFIX + key})


@profile_blu.route('/base_info', methods=["GET", "POST"])
@user_login_data
def base_info():
    if request.method == "GET":
        return render_template('news/user_base_info.html', data={"user": g.user.to_dict()})
    nick_name = request.json.get("nick_name")
    signature = request.json.get("signature")
    gender = request.json.get("gender")

    if not all([nick_name, gender, signature]):
        return jsonify(errno=RET.PARAMERR, errmsg="参数错误")
    if gender not in ("WOMAN", "MAN"):
        return jsonify(errno=RET.PARAMERR, errmsg="参数错误")
    user = g.user
    user.signature = signature
    user.nick_name = nick_name
    user.gender = gender

    return jsonify(errno=RET.OK, errmsg="OK")


@profile_blu.route("/info")
@user_login_data
def user_info():
    user = g.user
    if not user:
        return redirect("/")

    data = {
        "user": user.to_dict()
    }
    return render_template('news/user.html', data=data)
